Class 7 Science MCQs - Chapter 23
Sound Waves Multiple Choice Questions (MCQ) PDF Download - 22
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The Sound waves Multiple Choice Questions (MCQ Quiz) with Answers PDF (Sound Waves MCQ PDF e-Book) download Ch. 23-22 to learn Grade 7 Science Course. Study Speed of Sound Multiple Choice Questions and Answers (MCQs) PDF, Sound Waves Quiz Questions and Answers to study online classes courses. The Sound Waves MCQ App Download: Free educational app for speed of sound, musics and musical sound, musical instruments test prep for online classes.
The MCQs: Sound travels fastest in solids because the; "Sound Waves" App (Android, iOS) with answers: Particles move fast; Particles vibrate more vigorously; Collision of particles is greater; Particles are closely packed; to study online classes courses. Practice Speed of Sound MCQ Questions, download Apple e-Book (Free Sample) for free online courses.
Sound Waves MCQs with Answers PDF Download: Quiz 22
Sound travels fastest in solids because the
- particles vibrate more vigorously
- particles move fast
- collision of particles is greater
- particles are closely packed
When two or more notes with different pitches are sounded together,
- disco is created
- peace is created
- harmony is created
- beat is created
A long thick tube produces
- low note
- high note
- deep note
- low pitched note
Wind instruments make sound by allowing air to
- cut through the tubes
- vibrate through the tubes at different lengths
- increase the frequency
- decrease the frequency
When a note is played by a string instrument, it produces
- single vibration
- double vibrations
- multiple vibrations
- rhythm
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